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1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #include "core/fxcrt/css/cfx_cssdatatable.h"
8 
9 #include <utility>
10 
11 #include "core/fxcrt/css/cfx_cssstyleselector.h"
12 #include "core/fxcrt/css/cfx_cssvaluelistparser.h"
13 #include "core/fxcrt/fx_codepage.h"
14 #include "core/fxcrt/fx_extension.h"
15 
16 static const CFX_CSSPropertyTable g_CFX_CSSProperties[] = {
17     {CFX_CSSProperty::BorderLeft, L"border-left", 0x04080036,
18      CFX_CSSVALUETYPE_Shorthand},
19     {CFX_CSSProperty::Top, L"top", 0x0BEDAF33,
20      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum |
21          CFX_CSSVALUETYPE_MaybeNumber},
22     {CFX_CSSProperty::Margin, L"margin", 0x0CB016BE,
23      CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeEnum |
24          CFX_CSSVALUETYPE_MaybeNumber},
25     {CFX_CSSProperty::TextIndent, L"text-indent", 0x169ADB74,
26      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber},
27     {CFX_CSSProperty::Right, L"right", 0x193ADE3E,
28      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum |
29          CFX_CSSVALUETYPE_MaybeNumber},
30     {CFX_CSSProperty::PaddingLeft, L"padding-left", 0x228CF02F,
31      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber},
32     {CFX_CSSProperty::MarginLeft, L"margin-left", 0x297C5656,
33      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber |
34          CFX_CSSVALUETYPE_MaybeEnum},
35     {CFX_CSSProperty::Border, L"border", 0x2A23349E,
36      CFX_CSSVALUETYPE_Shorthand},
37     {CFX_CSSProperty::BorderTop, L"border-top", 0x2B866ADE,
38      CFX_CSSVALUETYPE_Shorthand},
39     {CFX_CSSProperty::Bottom, L"bottom", 0x399F02B5,
40      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum |
41          CFX_CSSVALUETYPE_MaybeNumber},
42     {CFX_CSSProperty::PaddingRight, L"padding-right", 0x3F616AC2,
43      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber},
44     {CFX_CSSProperty::BorderBottom, L"border-bottom", 0x452CE780,
45      CFX_CSSVALUETYPE_Shorthand},
46     {CFX_CSSProperty::FontFamily, L"font-family", 0x574686E6,
47      CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeString},
48     {CFX_CSSProperty::FontWeight, L"font-weight", 0x6692F60C,
49      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum |
50          CFX_CSSVALUETYPE_MaybeNumber},
51     {CFX_CSSProperty::Color, L"color", 0x6E67921F,
52      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum |
53          CFX_CSSVALUETYPE_MaybeColor},
54     {CFX_CSSProperty::LetterSpacing, L"letter-spacing", 0x70536102,
55      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum |
56          CFX_CSSVALUETYPE_MaybeNumber},
57     {CFX_CSSProperty::TextAlign, L"text-align", 0x7553F1BD,
58      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum},
59     {CFX_CSSProperty::BorderRightWidth, L"border-right-width", 0x8F5A6036,
60      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum |
61          CFX_CSSVALUETYPE_MaybeNumber},
62     {CFX_CSSProperty::VerticalAlign, L"vertical-align", 0x934A87D2,
63      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum |
64          CFX_CSSVALUETYPE_MaybeNumber},
65     {CFX_CSSProperty::PaddingTop, L"padding-top", 0x959D22B7,
66      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber},
67     {CFX_CSSProperty::FontVariant, L"font-variant", 0x9C785779,
68      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum},
69     {CFX_CSSProperty::BorderWidth, L"border-width", 0xA8DE4FEB,
70      CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeEnum |
71          CFX_CSSVALUETYPE_MaybeNumber},
72     {CFX_CSSProperty::BorderBottomWidth, L"border-bottom-width", 0xAE41204D,
73      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum |
74          CFX_CSSVALUETYPE_MaybeNumber},
75     {CFX_CSSProperty::BorderRight, L"border-right", 0xB78E9EA9,
76      CFX_CSSVALUETYPE_Shorthand},
77     {CFX_CSSProperty::FontSize, L"font-size", 0xB93956DF,
78      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum |
79          CFX_CSSVALUETYPE_MaybeNumber},
80     {CFX_CSSProperty::BorderSpacing, L"border-spacing", 0xC72030F0,
81      CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeNumber},
82     {CFX_CSSProperty::FontStyle, L"font-style", 0xCB1950F5,
83      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum},
84     {CFX_CSSProperty::Font, L"font", 0xCD308B77, CFX_CSSVALUETYPE_Shorthand},
85     {CFX_CSSProperty::LineHeight, L"line-height", 0xCFCACE2E,
86      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum |
87          CFX_CSSVALUETYPE_MaybeNumber},
88     {CFX_CSSProperty::MarginRight, L"margin-right", 0xD13C58C9,
89      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber |
90          CFX_CSSVALUETYPE_MaybeEnum},
91     {CFX_CSSProperty::BorderLeftWidth, L"border-left-width", 0xD1E93D83,
92      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum |
93          CFX_CSSVALUETYPE_MaybeNumber},
94     {CFX_CSSProperty::Display, L"display", 0xD4224C36,
95      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum},
96     {CFX_CSSProperty::PaddingBottom, L"padding-bottom", 0xE555B3B9,
97      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber},
98     {CFX_CSSProperty::BorderTopWidth, L"border-top-width", 0xED2CB62B,
99      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum |
100          CFX_CSSVALUETYPE_MaybeNumber},
101     {CFX_CSSProperty::WordSpacing, L"word-spacing", 0xEDA63BAE,
102      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum |
103          CFX_CSSVALUETYPE_MaybeNumber},
104     {CFX_CSSProperty::Left, L"left", 0xF5AD782B,
105      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeEnum |
106          CFX_CSSVALUETYPE_MaybeNumber},
107     {CFX_CSSProperty::TextDecoration, L"text-decoration", 0xF7C634BA,
108      CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeEnum},
109     {CFX_CSSProperty::Padding, L"padding", 0xF8C373F7,
110      CFX_CSSVALUETYPE_List | CFX_CSSVALUETYPE_MaybeNumber},
111     {CFX_CSSProperty::MarginBottom, L"margin-bottom", 0xF93485A0,
112      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber |
113          CFX_CSSVALUETYPE_MaybeEnum},
114     {CFX_CSSProperty::MarginTop, L"margin-top", 0xFE51DCFE,
115      CFX_CSSVALUETYPE_Primitive | CFX_CSSVALUETYPE_MaybeNumber |
116          CFX_CSSVALUETYPE_MaybeEnum},
117 };
118 const int32_t g_iCSSPropertyCount =
119     sizeof(g_CFX_CSSProperties) / sizeof(CFX_CSSPropertyTable);
120 static_assert(g_iCSSPropertyCount ==
121                   static_cast<int32_t>(CFX_CSSProperty::LAST_MARKER),
122               "Property table differs in size from property enum");
123 
CFX_GetCSSPropertyByName(const WideStringView & wsName)124 const CFX_CSSPropertyTable* CFX_GetCSSPropertyByName(
125     const WideStringView& wsName) {
126   ASSERT(!wsName.IsEmpty());
127   uint32_t dwHash = FX_HashCode_GetW(wsName, true);
128   int32_t iEnd = g_iCSSPropertyCount;
129   int32_t iMid, iStart = 0;
130   uint32_t dwMid;
131   do {
132     iMid = (iStart + iEnd) / 2;
133     dwMid = g_CFX_CSSProperties[iMid].dwHash;
134     if (dwHash == dwMid) {
135       return g_CFX_CSSProperties + iMid;
136     } else if (dwHash > dwMid) {
137       iStart = iMid + 1;
138     } else {
139       iEnd = iMid - 1;
140     }
141   } while (iStart <= iEnd);
142   return nullptr;
143 }
144 
CFX_GetCSSPropertyByEnum(CFX_CSSProperty eName)145 const CFX_CSSPropertyTable* CFX_GetCSSPropertyByEnum(CFX_CSSProperty eName) {
146   return g_CFX_CSSProperties + static_cast<int>(eName);
147 }
148